Nickel Beryllium 360 vs. R30035 Cobalt
Nickel beryllium 360 belongs to the nickel alloys classification, while R30035 cobalt belongs to the cobalt alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is nickel beryllium 360 and the bottom bar is R30035 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 220 to 230 |
| Elongation at Break, % | 1.0 to 30 | |
| 9.0 to 46 |
| Fatigue Strength, MPa | 260 to 710 | |
| 170 to 740 |
| Poisson's Ratio | 0.3 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 84 to 89 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 1860 | |
| 900 to 1900 |
| Tensile Strength: Yield (Proof), MPa | 380 to 1590 | |
| 300 to 1650 |
Thermal Properties
| Melting Completion (Liquidus), °C | 1330 | |
| 1440 |
| Melting Onset (Solidus), °C | 1200 | |
| 1320 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 440 |
| Thermal Conductivity, W/m-K | 48 | |
| 11 |
| Thermal Expansion, µm/m-K | 14 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 5.0 | |
| 1.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.4 | |
| 1.8 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.3 | |
| 8.7 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 12 to 190 | |
| 160 to 320 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 360 to 3440 | |
| 210 to 5920 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 to 15 |
| Stiffness to Weight: Bending, points | 24 | |
| 23 to 24 |
| Strength to Weight: Axial, points | 26 to 62 | |
| 29 to 61 |
| Strength to Weight: Bending, points | 23 to 41 | |
| 24 to 39 |
| Thermal Diffusivity, mm2/s | 13 | |
| 3.0 |
| Thermal Shock Resistance, points | 19 to 46 | |
| 23 to 46 |